2018 BMW 640i Convertible MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2018 BMW 640i Convertible.

The 2018 BMW 640i Convertible runs on premium gasoline and is in the Subcompact Cars car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2018 BMW 640i Convertible is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2018 BMW 640i Convertible Get?

First off, the most commonly asked question. A 2018 BMW 640i Convertible gets up to 20 miles per gallon in the city, and 29 miles per gallon on the highway.

The combined average MPG for the 2018 BMW 640i Convertible is 23 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2018 BMW 640i Convertible?

The estimated fuel costs for the 2018 BMW 640i Convertible is $3,200 per year.

That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

If you were to compare a 2018 BMW 640i Convertible to an average vehicle over 5 years, you will spend $4,500 more on fuel.

🛢 How Many Barrels of Petroleum Does a 2018 BMW 640i Convertible Consume?

The 2018 BMW 640i Convertible will consume roughly 13 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

💨 How Many Grams of CO₂ Does a 2018 BMW 640i Convertible Emit?

For every mile driven, the 2018 BMW 640i Convertible will emit 378 grams of CO₂, which is about 5,670,000 grams of CO₂ per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO₂ per year. This means that roughly 193 trees would be needed to offset emissions from the 2018 BMW 640i Convertible.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2018 BMW 640i Convertible.

Related BMW Models from 2018

If you're interested in other BMW models from 2018, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Disclaimer

Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

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